13078620645608 has 192 divisors, whose sum is σ = 30524454576000. Its totient is φ = 5131831541760.

The previous prime is 13078620645593. The next prime is 13078620645611. The reversal of 13078620645608 is 80654602687031.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 786297260 + ... + 786313892.

It is an arithmetic number, because the mean of its divisors is an integer number (158981534250).

Almost surely, 2^{13078620645608} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13078620645608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15262227288000).

13078620645608 is an abundant number, since it is smaller than the sum of its proper divisors (17445833930392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13078620645608 is a wasteful number, since it uses less digits than its factorization.

13078620645608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17496 (or 17461 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 56.

The spelling of 13078620645608 in words is "thirteen trillion, seventy-eight billion, six hundred twenty million, six hundred forty-five thousand, six hundred eight".